hotspot/test/gc/g1/Test2GbHeap.java
author pliden
Tue, 05 Apr 2016 09:05:19 +0200
changeset 37253 45e69c7b0bac
parent 30604 b8d532cb6420
child 37413 2f71679d06dd
child 37297 d65d53a0ecc7
permissions -rw-r--r--
8152929: Remove UNSUPPORTED_GC_OPTION, use UNSUPPORTED_OPTION instead Reviewed-by: brutisso, jmasa
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/*
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 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test Test2GbHeap
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 * @bug 8031686
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 * @summary Regression test to ensure we can start G1 with 2gb heap.
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 * @key gc
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 * @key regression
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 * @library /testlibrary
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 * @modules java.base/sun.misc
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 *          java.management
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 */
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import java.util.ArrayList;
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import jdk.test.lib.OutputAnalyzer;
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import jdk.test.lib.ProcessTools;
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public class Test2GbHeap {
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  public static void main(String[] args) throws Exception {
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    ArrayList<String> testArguments = new ArrayList<String>();
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    testArguments.add("-XX:+UseG1GC");
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    testArguments.add("-Xmx2g");
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    testArguments.add("-version");
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    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(testArguments.toArray(new String[0]));
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    OutputAnalyzer output = new OutputAnalyzer(pb.start());
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    // Avoid failing test for setups not supported.
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    if (output.getOutput().contains("Could not reserve enough space for 2097152KB object heap")) {
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      // Will fail on machines with too little memory (and Windows 32-bit VM), ignore such failures.
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      output.shouldHaveExitValue(1);
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    } else if (output.getOutput().contains("-XX:+UseG1GC not supported in this VM")) {
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      // G1 is not supported on embedded, ignore such failures.
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      output.shouldHaveExitValue(1);
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    } else {
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      // Normally everything should be fine.
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      output.shouldHaveExitValue(0);
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    }
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  }
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}